webpack-config-utils/dist/prop-if.js

Utilities to help your webpack config be easier to read

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.propIf = propIf;
exports.propIfNot = propIfNot;

/**
 * A simple ternary in the form of a function. The `add` argument is evaluated via JSON.parse
 * (to turn "true" to `true`). And if the result is truthy, then `value` will be returned, otherwise `alternate` will be
 * returned. This powers the (arguably more useful) methods returned from `getIfUtils`.
 * @example
 * propIf(true, 'value', 'alternate')
 * // returns 'value'
 * @example
 * // Is falsy sensitive
 * propIf(0, 'value', 'alternate')
 * // returns 'alternate'
 * @param {*} add The value to evaluate
 * @param {*} value The value to return in a truthy case
 * @param {*} alternate The value to return in a falsy case
 * @return {*} The value based on whether `add` evaluates to truthy
 */

function propIf(add, value, alternate) {
  return getValue(add) ? value : alternate;
}

/**
 * This does the opposite of `propIf`. In fact, it just calls into it and swaps the `value` and `alternate` arguments
 * 😄
 * @param {*} add The value to evaluate
 * @param {*} value The value to return in a falsy case
 * @param {*} alternate The value to return in a truthy case
 * @return {*} The value based on whether `add` evaluates to truthy
 */
function propIfNot(add, value, alternate) {
  return propIf(add, alternate, value);
}

/**
 * Parses the value as JSON. This way "true" evaluates to true and "23" evaluates to 23
 * @private
 * @param {*} val The value to parse
 * @return {*} the parsed value
 */
function getValue(val) {
  return JSON.parse(val);
}